eumycetoma

真菌瘤
  • 文章类型: Systematic Review
    世界卫生组织,为了应对日益增长的真菌疾病负担,建立了制定真菌优先病原体名单的过程。本系统综述旨在评估eumycetoma的流行病学和影响。搜索了PubMed和WebofScience,以确定2011年1月1日至2021年2月19日之间发表的研究。报告死亡率的研究,住院护理,并发症和后遗症,抗真菌药敏,危险因素,可预防性,年发病率,全球分销,选择研究时间范围内的出现率。总的来说,14项研究符合纳入条件。发病率频繁,中度至重度生活质量损害占60.3%,截肢率高达38.5%,31.8%-73.5%的患者复发或长期疾病。潜在危险因素包括男性(56.6%-79.6%)。年龄较小(11-30岁;64%),和农业职业(62.1%-69.7%)。Mycetoma主要在苏丹报告,特别是在苏丹中部(37%-76.6%的病例)。据报告,菲律宾和乌干达的年发病率为0.1/100000人和0.32/100000人/十年,分别。在乌干达,在连续两个10年期间(2000-2009年和2010-2019年),发现发病率从3.37下降至0.32/100000人.以社区为基础,多管齐下的预防计划使截肢率从62.8%降至11.9%。使用预先指定的标准,没有抗真菌药物敏感性的研究,死亡率,并确定了住院时间。未来的研究应该包括更大的队列研究,更大的药敏试验,和全球监测,以制定循证治疗指南,并更准确地确定发病率和随时间推移的趋势。
    The World Health Organization, in response to the growing burden of fungal disease, established a process to develop a fungal priority pathogens list. This systematic review aimed to evaluate the epidemiology and impact of eumycetoma. PubMed and Web of Science were searched to identify studies published between 1 January 2011 and 19 February 2021. Studies reporting on mortality, inpatient care, complications and sequelae, antifungal susceptibility, risk factors, preventability, annual incidence, global distribution, and emergence during the study time frames were selected. Overall, 14 studies were eligible for inclusion. Morbidity was frequent with moderate to severe impairment of quality of life in 60.3%, amputation in up to 38.5%, and recurrent or long-term disease in 31.8%-73.5% of patients. Potential risk factors included male gender (56.6%-79.6%), younger age (11-30 years; 64%), and farming occupation (62.1%-69.7%). Mycetoma was predominantly reported in Sudan, particularly in central Sudan (37%-76.6% of cases). An annual incidence of 0.1/100 000 persons and 0.32/100  000 persons/decade was reported in the Philippines and Uganda, respectively. In Uganda, a decline in incidence from 3.37 to 0.32/100  000 persons between two consecutive 10-year periods (2000-2009 and 2010-2019) was detected. A community-based, multi-pronged prevention programme was associated with a reduction in amputation rates from 62.8% to 11.9%. With the pre-specified criteria, no studies of antifungal drug susceptibility, mortality, and hospital lengths of stay were identified. Future research should include larger cohort studies, greater drug susceptibility testing, and global surveillance to develop evidence-based treatment guidelines and to determine more accurately the incidence and trends over time.
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  • 文章类型: Journal Article
    肌瘤的手术治疗是治疗的基石。然而,在对肌瘤病灶进行广泛的手术切除时,外科医生考虑如何闭合皮肤缺损,主要可以关闭,由次要强度治愈,通过皮肤移植或局部皮瓣。在这次审查中,我们展示了手术切除后肌瘤重建的各种应用和变化。
    这是一项系统的文献检索和综述,旨在确定提出肌瘤重建方案的文章。文章被确定,和出版时间,研究类型,学习时间,和研究国家进行了检查。此外,纳入这些文章中的所有患者.病人的名字,性别,临床表现,并确定了管理层。
    总共有9篇文章符合我们的纳入标准;其中8篇是病例报告,1是一个案例系列。第一例真菌瘤重建病例发表于1959年。出版国家因热带和非热带国家而异。这些文章中发现的患者总数为34名患者,其中大多数是男性。致病生物主要是eumycetoma。肌瘤病变的部位因大小而异。使用的重建选择是皮肤移植和局部或局部皮瓣,其中只有1例接受了游离皮瓣重建。
    如果皮肤闭合不可行且没有截肢指征,则应在小尺寸或大尺寸缺陷的子宫肌瘤手术后考虑重建子宫肌瘤。
    UNASSIGNED: Surgical treatments of mycetoma are a cornerstone in management. However, while doing a wide surgical excision of mycetoma lesion, surgeons think about how to close the skin defect, which can be closed primarily, left to heal by secondary intension, by skin grafts or local flaps. In this review, we demonstrate the various applications and changes of mycetoma reconstruction after surgical excision.
    UNASSIGNED: This is a systematic literature search and review conducted to determine articles presenting mycetoma reconstruction options. Articles were identified, and the time of publication, type of study, time of study, and country of study were checked. Additionally, all patients in those articles were included. Patients\' names, sex, clinical presentation, and management were identified.
    UNASSIGNED: A total number of 9 articles fulfilled our inclusion criteria; 8 of them are case reports, and 1 is a case series. The first mycetoma reconstruction case was published in 1959. The country of publication varies from tropical and non-tropical countries. The total number of patients found in those articles is 34 patients, most of whom are male. The causative organism is mainly eumycetoma. The site of mycetoma lesions is varied with variable sizes. The reconstruction options used were skin graft and local or regional flaps, where only 1 case underwent a free flap for reconstruction.
    UNASSIGNED: Reconstruction of mycetoma should be considered following mycetoma surgery in small or large size defects if skin closure is not feasible and there is no indication for amputation.
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  • 文章类型: Case Reports
    Eumycetoma是由各种真菌病原体引起的传染病。该疾病的特征是黑色和淡黄色的谷物放电。在这份通讯中,我们报告了一例由镰刀菌引起的浅粒足-细菌瘤。该患者在苏丹Mycetoma研究中心的门诊就诊。根据其看似相似的组织病理学外观,最初将病原体误认为是构巢曲霉。然而,对提取的谷物的内部转录间隔区进行测序,证实了镰刀菌感染。尽管患者接受了伊曲康唑并接受了手术切除,这种疾病是反复发作的。据我们所知,这是苏丹首次报道镰刀菌引起的真菌瘤,表明该病原体的地理分布扩大。这要求提高医疗保健提供者的认识,并改善高危地区的诊断和监测系统,以改善病例管理并减少进一步传播的威胁。考虑到镰刀菌感染的潜在影响,包括威胁全球健康,粮食安全,和生态系统的平衡,以及流行国家生物多样性的丧失和负面的社会经济变化,我们建议实施综合跨学科的“一体健康”战略,以预防和控制包括镰刀菌在内的新发传染病。
    Eumycetoma is an infectious disease caused by various fungal pathogens. The disease is characterised by black and pale-yellowish grain discharge. In this communication, we report a case of eumycetoma with a pale grain foot-eumycetoma caused by Fusarium falciforme. The patient presented at the outpatient clinic of the Mycetoma Research Centre in Sudan. The causative agent was initially misidentified as Aspergillus nidulans based on its seemingly similar histopathological appearance. However, sequencing the internally transcribed spacer region of the extracted grain confirmed infection with Fusarium falciforme. Although the patient received Itraconazole and underwent surgical excision, the disease was recurrent. To our knowledge, this is the first report on Fusarium falciforme causing eumycetoma in Sudan, indicating the expansion of the geographical distribution of this pathogen. This calls for raising the awareness of healthcare providers and improving the diagnostic and surveillance systems in at-risk areas to improve the case management and reduce the threat of further spread. Considering the potential impacts of F. falciforme infection including threatening the global health, food security, and ecosystem balance, as well as loss of biodiversity and negative socioeconomic changes in endemic countries, we recommend the implementation of an integrated transdisciplinary One Health strategy for the prevention and control of emerging infectious diseases including F. falciforme.
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  • 文章类型: Review
    Mycetoma是一种慢性传染病,在撒哈拉以南非洲(SSA)流行,印度以及南美和北美的部分地区。该疾病在埃及的流行病学概况,SSA的邻居,以前没有探索过。因此,我们对埃及的细菌瘤文献进行了范围审查。我们使用自由文本单词和医学主题词和术语全面搜索了MEDLINE和GoogleScholar的文献。包括已发表和非同行评审(灰色文献)的文章。最初的搜索确定了133个报告。其中,只有8人被发现相关,并被纳入研究。在1949年至2015年期间报告的肌瘤患者总数为59。Eumycetoma(59例中有44例)(75%),而放线菌瘤占15例(25%)。六名患者是女性,28人为男性,25人为未报告。儿童和青少年占59人中的3人(5%),52(88%)为成人,4例患者未提供年龄。只有4名患者(7%)是非本地的。埃及的肌瘤发病率高于以前的报道。埃及可能是一个低流行的国家。准确估计肌瘤的患病率和流行病学需要进一步的研究合作。
    Mycetoma is a chronic infectious disease endemic in sub-Saharan Africa (SSA), India and parts of South and North America. The epidemiologic profile of the disease in Egypt, which neighbours SSA, has not been explored previously. Therefore we conducted a scoping review of the literature on mycetoma in Egypt. We searched the literature comprehensively on MEDLINE and Google Scholar using free-text words and Medical Subject Headings and terms. Both published and non-peer-reviewed (grey literature) articles were included. The initial search identified 133 reports. Of these, only eight were found to be relevant and were included in the study. The total number of mycetoma patients was 59, reported between 1949 and 2015. There was a predilection for eumycetoma (44 of 59) patients (75%), while actinomycetoma constituted 15 patients (25%). Six patients were female, 28 were male and 25 were unreported. Children and adolescents constituted 3 of 59 (5%), 52 (88%) were adults and age was not provided for 4 patients. Only four patients (7%) were non-autochthonous. The incidence of mycetoma in Egypt is higher than previously reported. Egypt is probably a low-endemic country. An accurate estimate of the prevalence and epidemiology of mycetoma necessitates further research collaboration.
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  • 文章类型: Case Reports
    Mycetoma是由真菌或细菌引起的慢性肉芽肿感染,被称为细菌瘤和放线菌瘤,分别。Mycetoma通常影响属于低社会经济阶层的年轻男性,通常光脚的农业工人。它主要影响下肢和上肢,表现为无痛性肿胀并排出鼻窦。很少,是在颅内位置遇到的。诊断依赖于组织内病因的临床表现和鉴定,通过组织学和特殊染色。重要的是要明确真菌或细菌的病因,因为每个人的治疗是完全不同的。此类感染的管理具有挑战性,应包括早期诊断,使用抗菌药物或抗真菌药物,手术切除病灶.据我们所知,仅报告了7例颅内肌瘤。目前的病例突出了这种病变的稀有性,从而有助于现有文献并提出其诊断意义。
    Mycetoma is a chronic granulomatous infection caused by fungi or bacteria, known as eumycetoma and actinomycetoma, respectively. Mycetoma commonly affects young males belonging to low socioeconomic strata, usually barefooted agricultural workers. It mainly affects lower and upper limbs presenting as a painless swelling with discharging sinus. Rarely, is it encountered in the intracranial location. The diagnosis relies on the clinical presentation and identification of the etiological agents within the tissue, by histology and special stains. It is important to specify the fungal or bacterial etiology, because the treatment of each is completely different. The management of such infections is challenging and should involve early diagnosis, the use of antibacterials or antifungals, and surgical removal of the lesion. To the best of our knowledge, only seven cases of intracranial mycetoma have been reported. The present case highlights the rarity of this lesion, thereby contributing to the existing literature and presenting its diagnostic implications.
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  • 文章类型: Journal Article
    Maduromycosis is a rare deep fungal infection characterized by painless progressive destruction of limb caused by either fungal or filamentous bacteria. Its presentation is usually initiated by trivial penetration injury in farmers or laborers, worsen by immunocompromised status. Due to its painless course, this infection will severely destruct and deform hence leading to high morbidity of patient. We report a rare presentation of maduromycosis in 49-year-old housewife with no history of penetrating injury and no comorbid. Multi-disciplinary team was involved to establish the accurate diagnosis. The patient underwent surgical debridement and was given prolonged anti-fungal therapy. Combination of the treatments with patient\'s adherence lead to recovery without further recurrence and the patient was able to perform daily living activity.
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  • 文章类型: Case Reports
    目的:Mycetoma是缓慢进展的,皮肤和皮下组织的慢性肉芽肿感染,涉及潜在的筋膜和骨骼,通常影响四肢。在印度,在霉菌瘤中,Eumycetoma约占病例的35%。特此,我们报告了第一例由罕见真菌引起的真菌瘤,念珠菌。
    方法:一名61岁女性就诊于皮肤科,有右足肿胀病史,伴有多个坚固结节。足背部各1.5×1.5cm,有含白色颗粒的排出窦。直接KOH检查右脚病变活检显示为纵隔菌丝。组织病理学检查显示具有真菌成分的组织细胞肉芽肿。Sabouraud葡萄糖琼脂上的培养物生长出白色菌丝菌落,在表型上被鉴定为曲霉属。使用内部转录间隔基因进行基因测序,进行β微管蛋白基因和钙调蛋白基因的分离,鉴定为念珠菌。切除病变,患者开始服用伊曲康唑。
    结论:及时识别和开始抗真菌治疗可以在很大程度上帮助降低因真菌瘤引起的发病率。随着越来越新的真菌物种成为人类感染的重要病原体,从流行病学的角度报告这些发现是相关的。
    OBJECTIVE: Mycetoma is a slowly progressive, chronic granulomatous infection of skin and subcutaneous tissues with involvement of underlying fasciae and bones, usually affecting extremities. In India, among mycetoma, the eumycetoma constitutes about 35% of cases. Hereby, we report the first case of eumycetoma caused by uncommon fungus, Aspergillus candidus.
    METHODS: A 61 year old female presented to the Department of Dermatology with history of swelling of right foot associated with multiple firm nodules of approx. 1.5 × 1.5 cm each over dorsum of foot with discharging sinus containing white color granules. Biopsy of lesion on right foot on direct KOH examination revealed septate hyphae. Histopathology examination showed a histiocytic granuloma with fungal elements. Culture on Sabouraud Dextrose Agar grew white mycelial colonies which were identified to be Aspergillus species phenotypically. Genetic sequencing using Internal transcribed spacer gene, beta tubulin gene and Calmodulin gene was done and the isolate was identified to be Aspergillus candidus. Lesion was excised and patient was started on itraconazole.
    CONCLUSIONS: Timely identification and starting of antifungal treatment can help in reducing morbidity due to eumycetoma to a large extent. As newer and newer species of fungi are emerging as significant causative agents of human infections, it is pertinent to report such findings from epidemiological point of view.
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  • 文章类型: Case Reports
    Eumycetoma是由真菌引起的慢性化脓性肉芽肿,其特征是侵袭性肿瘤病变。鼻窦和排出谷物。在这里,我们描述了一例由于糖尿病患者的镰刀菌引起的踏板性大肠杆菌瘤。一位45岁的绅士出现了阴险的发作,右脚肿胀,结节和颗粒排出。他在其他地方接受了伊曲康唑和抗结核治疗,没有回应。重新评估包括活检,证实了细菌瘤和新诊断的糖尿病。手术切除后进行组织病理学检查,微生物学和多基因测序分析[翻译延伸因子,在培养上进行霉菌的钙调蛋白和rDNA的内部转录间隔区]。组织病理学显示,在密集的炎症浸润(Splendore-Hoeppli)反应中,真菌菌丝呈纵隔。开始口服伏立康唑,血糖控制良好。组织生长序列显示与严格的镰刀菌>99%的相似性。抗真菌药敏试验显示对伏立康唑的MIC最低(0.5mg/L)。治疗4个月后,患者对联合治疗方式表现出极好的反应,病变大小和鼻窦消失几乎完全解决,并计划延长伏立康唑治疗直至完全放射学解决。糖尿病易患足部真菌感染,但真菌瘤并不常见。联合手术和抗真菌药物可以提高发病率并避免截肢。
    Eumycetomas are chronic suppurative granulomas caused by fungi characterised by invasive tumefactive lesions, sinuses and discharging grains. Herein, we describe a case of pedal eumycetoma due to Fusarium solani sensu stricto in a person with diabetes mellitus. A 45-year-old gentleman presented with an insidious onset swelling over his right foot with nodules and discharging grains. He had received itraconazole and anti-tuberculous therapy elsewhere, without response. Re-evaluation included a biopsy which confirmed eumycetoma and newly diagnosed diabetes. Surgical excision followed by histopathological, microbiological and multigene sequencing analyses [translation elongation factor, calmodulin and internal transcribed spacer region of rDNA] of the mould on culture were performed. Histopathology revealed septate fungal hyphae amidst a dense inflammatory infiltrate (Splendore-Hoeppli) reaction. Oral voriconazole was started and good glycemic control attained. Tissue growth sequences showed > 99% similarity with Fusarium solani sensu stricto. Antifungal susceptibility testing showed lowest MIC to voriconazole (0.5 mg/L). The patient showed excellent response to combined therapeutic modality with a near-complete resolution in size of lesion and obliteration of sinuses following 4 months of therapy and is planned for prolonged voriconazole therapy till complete radiological resolution. Diabetes predisposes to fungal infections of foot but eumycetomas are uncommon. Combined surgery and antifungals can improve morbidity and avoid amputations.
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  • 文章类型: Case Reports
    在这份通讯中,我们报道了首例患者在身体不同部位出现17例machurellamycetomatiseumycetoma病变。报告的患者是一名15岁的女性,她被送往Mycetoma研究中心,喀土穆大学,喀土穆,苏丹,2017年复发的背部和前腹壁腺瘤病变。他们被手术切除了,在后续过程中,她发展了另外15个Eumycetoma病变,主要散布在她的上肢和下肢以及臀区。通过对谷物和培养物的分子鉴定证实了mycetomatis的诊断,组织病理学检查和超声检查。这种表现的原因和解释令人困惑;这不是由于多次皮下植入,因为缺乏相关的局部创伤史。淋巴扩散不太可能,因为病变的分布与此不符。血源性传播是一种可能的解释。Eumycetoma的这种罕见表现对诊断和治疗提出了巨大挑战。
    In this communication, we report on the first-ever patient presenting with 17 lesions of Madurella mycetomatis eumycetoma in different parts of the body. The reported patient is a 15-y-old female who presented to the Mycetoma Research Centre, University of Khartoum, Khartoum, Sudan, in 2017 with recurrent back and anterior abdominal wall eumycetoma lesions. They were surgically excised, and during the course of follow-up, she developed 15 other eumycetoma lesions, scattered mostly on her upper and lower limbs and gluteal region. The diagnosis of Madurella mycetomatis was confirmed by molecular identification of grains and culture, histopathological examination and ultrasound examination. The cause and the explanation of such a presentation in puzzling; it is not due to multiple subcutaneous implantations because of the lack of history of relevant local trauma. Lymphatic spread is unlikely as the distribution of the lesions is not in line with this. Haematogenous spread is a possible explanation. This rare presentation of eumycetoma poses a great challenge for diagnosis and management.
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  • 文章类型: Case Reports
    Mycetoma是一种慢性肉芽肿性传染病,可影响皮肤,皮下组织,筋膜和骨头。它可以由丝状细菌或真菌引起,通常涉及腿和脚。Mycetoma在热带和亚热带地区流行,由于其非特异性的临床特征和对该病的认识不足,在临床实践中容易被误诊。尽管菌丝瘤在中国大陆非常罕见,近年来报告的病例越来越多。这里,我们报告了一例在接受正确治疗之前被误诊多年的患者的肌瘤,导致疾病进展和运动受限。代表微生物菌落的颗粒是诊断的重要线索。我们还回顾了中国大陆报道的肌瘤病例。大多数病例来自南部地区。放线菌瘤比瘤更常见。放线菌瘤的病原体包括巴西诺卡氏菌,N.小行星,N.otidiscaviarum,N.Ninae和Gordoniaterrae,Eumycetoma的致病真菌被鉴定为Madurellamycetomatis,Fonsecaeapedrosoi和镰刀菌。值得注意的是,在所有患者中,细菌瘤的诊断从几个月推迟到几十年,可能是由于缺乏临床经验。我们的文献综述表明在临床实践中提高对肌瘤的认识的重要性。特别是在非流行地区。需要进一步的调查研究来确定该疾病在中国的实际发病率。
    Mycetoma is a chronic granulomatous infectious disease that can affect the skin, subcutaneous tissue, fascia and bone. It can be caused by filamentous bacteria or fungi and usually involves the legs and feet. Mycetoma is endemic in tropical and subtropical regions and is easily misdiagnosed in clinical practice because of its nonspecific clinical features and lack of awareness of the disease. Although mycetoma is very rare in mainland China, an increasing number of cases have been reported in recent years. Here, we report a case of mycetoma in a patient who was misdiagnosed many years before receiving the correct treatment, leading to disease progression and motion limitation. The grains that represent microorganismal colonies were important clues for diagnosis. We also reviewed reported cases of mycetoma in mainland China. The majority of cases were reported from southern regions. Actinomycetoma was more commonly reported than was eumycetoma. The causative agents of actinomycetoma included Nocardia brasiliensis, N. asteroides, N. otitidiscaviarum, N. ninae and Gordonia terrae, and the causative fungi of eumycetoma were identified as Madurella mycetomatis, Fonsecaea pedrosoi and Acremonium falciforme. Notably, the diagnosis of mycetoma was delayed from months to decades in all of the patients, likely due to a lack of clinical experience. Our literature review suggests the importance of increased awareness of mycetoma in clinical practice, especially in non-endemic regions. Further investigative studies are needed to determine the real incidence of the disease in China.
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